South Carolina, 2023

Damaging Wind in South Carolina, August 11, 2023

August 11, 2023 · NWS ILM · 1 event in 1 county or zone

Fast moving squall line affected most of northeast SC. The line was strongest in Georgetown and across the Grand Strand.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ILM wrote it up.

Fast moving squall line affected most of northeast SC. The line was strongest in Georgetown and across the Grand Strand. Shortly after encountering the sea breeze the convection began to weaken as the outflow moved ahead of the line.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, NC wrote its last area forecast discussion before the first event at Aug 10, 6:40 PM EST, 20 hours 5 minutes earlier.

Area forecast discussion, Aug 10, 6:40 PM EST, 20 hours 5 minutes before
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The radar

The Wilmington radar (KLTX), 85 km away, was scanning. The volume nearest the first event began at 19:43 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Georgetown

When
August 11, 2:45 PM EST
Where
Georgetown County, 0.69 mi S of Annieville
Measured
50 kt (58 mph) estimated gust
Reported by
Emergency Manager
Coordinates
33.470, -79.100

Power line down on Norris Drive.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in South Carolina in 2023Every state in 2023This day in weather historyWarnings in South Carolina, August 2023

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 1131323.